diff --git a/Externals.cfg b/Externals.cfg
index 9eaf7ce577..ec5b58610a 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -50,7 +50,7 @@ protocol = git
 required = False
 
 [GDASApp]
-hash = 843d3a9
+hash = f7c23af
 local_path = sorc/gdas.cd
 repo_url = https://github.com/NOAA-EMC/GDASApp.git
 protocol = git
diff --git a/scripts/exgdas_global_atmos_analysis_prep.py b/scripts/exgdas_global_atmos_analysis_prep.py
index fc48c5d060..65c77cd903 100755
--- a/scripts/exgdas_global_atmos_analysis_prep.py
+++ b/scripts/exgdas_global_atmos_analysis_prep.py
@@ -35,6 +35,7 @@
 
 # import UFSDA utilities
 import ufsda
+from ufsda.stage import atm_obs, bias_obs
 
 # get configuration based on environment variables
 config = ufsda.misc_utils.get_env_config(component='atm')
diff --git a/sorc/checkout.sh b/sorc/checkout.sh
index 9ef987f28d..514e772c98 100755
--- a/sorc/checkout.sh
+++ b/sorc/checkout.sh
@@ -165,7 +165,7 @@ if [[ ${checkout_gsi} == "YES" ]]; then
 fi
 
 if [[ ${checkout_gdas} == "YES" ]]; then
-  checkout "gdas.cd" "https://github.com/NOAA-EMC/GDASApp.git" "843d3a9"; errs=$((errs + $?))
+  checkout "gdas.cd" "https://github.com/NOAA-EMC/GDASApp.git" "f7c23af"; errs=$((errs + $?))
 fi
 
 if [[ ${checkout_gsi} == "YES" || ${checkout_gdas} == "YES" ]]; then